0.2x-0.4+0.5=3.7
0.2x = 3.7- 0.5+0.4
0.2x =3.6
x=18
0.2x=3.7+0.4-0.5
0.2x=3.6
x=3.6/0.2
x=18
0.2x-0.4+0.5=3.7
2x-4+5=37
2x=36
x=18
x=6
0.2x-0.4+0.5=3.7
0.2x+0.1=3.7
0.2x=3.7-0.1
0.2x=3.6
x=3.6÷0.2
x=18
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